[pcsx_rearmed.git] / frontend / plugin_lib.c

/*
 * (C) notaz, 2010-2011
 *
 * This work is licensed under the terms of the GNU GPLv2 or later.
 * See the COPYING file in the top-level directory.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdint.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <pthread.h>

#include "libpicofe/fonts.h"
#include "libpicofe/input.h"
#include "libpicofe/plat.h"
#include "libpicofe/arm/neon_scale2x.h"
#include "libpicofe/arm/neon_eagle2x.h"
#include "plugin_lib.h"
#include "menu.h"
#include "main.h"
#include "plat.h"
#include "pcnt.h"
#include "pl_gun_ts.h"
#include "psemu_plugin_defs.h"
#include "../libpcsxcore/new_dynarec/new_dynarec.h"
#include "../libpcsxcore/psxmem_map.h"
#include "../plugins/gpulib/cspace.h"
#include "../plugins/dfinput/externals.h"

int in_type1, in_type2;
int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
int in_adev[2] = { -1, -1 }, in_adev_axis[2][2] = {{ 0, 1 }, { 0, 1 }};
int in_adev_is_nublike[2];
int in_keystate, in_state_gun;
int in_enable_vibration;
void *tsdev;
void *pl_vout_buf;
int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
static int pl_vout_w, pl_vout_h, pl_vout_bpp; /* output display/layer */
static int pl_vout_scale;
static int psx_w, psx_h, psx_bpp;
static int vsync_cnt;
static int is_pal, frame_interval, frame_interval1024;
static int vsync_usec_time;

// platform hooks
void (*pl_plat_clear)(void);
void (*pl_plat_blit)(int doffs, const void *src, int w, int h,
		     int sstride, int bgr24);
void (*pl_plat_hud_print)(int x, int y, const char *str, int bpp);


static __attribute__((noinline)) int get_cpu_ticks(void)
{
	static unsigned long last_utime;
	static int fd;
	unsigned long utime, ret;
	char buf[128];

	if (fd == 0)
		fd = open("/proc/self/stat", O_RDONLY);
	lseek(fd, 0, SEEK_SET);
	buf[0] = 0;
	read(fd, buf, sizeof(buf));
	buf[sizeof(buf) - 1] = 0;

	sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
	ret = utime - last_utime;
	if (ret > 200)
		ret = 0;
	last_utime = utime;
	return ret;
}

static void hud_print(void *fb, int w, int x, int y, const char *text)
{
	if (pl_plat_hud_print)
		pl_plat_hud_print(x, y, text, pl_vout_bpp);
	else if (pl_vout_bpp == 16)
		basic_text_out16_nf(fb, w, x, y, text);
}

static void hud_printf(void *fb, int w, int x, int y, const char *texto, ...)
{
	va_list args;
	char    buffer[256];

	va_start(args, texto);
	vsnprintf(buffer, sizeof(buffer), texto, args);
	va_end(args);

	hud_print(fb, w, x, y, buffer);
}

static void print_msg(int h, int border)
{
	hud_print(pl_vout_buf, pl_vout_w, border + 2, h - 10, hud_msg);
}

static void print_fps(int h, int border)
{
	hud_printf(pl_vout_buf, pl_vout_w, border + 2, h - 10,
		"%2d %4.1f", pl_rearmed_cbs.flips_per_sec,
		pl_rearmed_cbs.vsps_cur);
}

static void print_cpu_usage(int w, int h, int border)
{
	hud_printf(pl_vout_buf, pl_vout_w, pl_vout_w - border - 28, h - 10,
		"%3d", pl_rearmed_cbs.cpu_usage);
}

// draw 192x8 status of 24 sound channels
static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
{
	extern void spu_get_debug_info(int *chans_out, int *run_chans,
		int *fmod_chans_out, int *noise_chans_out); // hack
	int live_chans, run_chans, fmod_chans, noise_chans;

	static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
	unsigned short *dest = (unsigned short *)pl_vout_buf +
		vout_w * (vout_h - 10) + vout_w / 2 - 192/2;
	unsigned short *d, p;
	int c, x, y;

	if (dest == NULL || pl_vout_bpp != 16)
		return;

	spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);

	for (c = 0; c < 24; c++) {
		d = dest + c * 8;
		p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
		     (fmod_chans & (1<<c)) ? 0xf000 :
		     (noise_chans & (1<<c)) ? 0x001f :
		     colors[c & 1];
		for (y = 0; y < 8; y++, d += vout_w)
			for (x = 0; x < 8; x++)
				d[x] = p;
	}
}

static void print_hud(int w, int h, int xborder)
{
	if (h < 16)
		return;

	if (w < pl_vout_w)
		xborder += (pl_vout_w - w) / 2;
	if (h > pl_vout_h)
		h = pl_vout_h;

	if (g_opts & OPT_SHOWSPU)
		draw_active_chans(w, h);

	if (hud_msg[0] != 0)
		print_msg(h, xborder);
	else if (g_opts & OPT_SHOWFPS)
		print_fps(h, xborder);

	if (g_opts & OPT_SHOWCPU)
		print_cpu_usage(w, h, xborder);
}

/* update scaler target size according to user settings */
static void update_layer_size(int w, int h)
{
	float mult;
	int imult;

	switch (g_scaler) {
	case SCALE_1_1:
		g_layer_w = w; g_layer_h = h;
		break;

	case SCALE_4_3v2:
		if (h > g_menuscreen_h || (240 < h && h <= 360))
			goto fractional_4_3;

		// 4:3 that prefers integer scaling
		imult = g_menuscreen_h / h;
		g_layer_w = w * imult;
		g_layer_h = h * imult;
		mult = (float)g_layer_w / (float)g_layer_h;
		if (mult < 1.25f || mult > 1.666f)
			g_layer_w = 4.0f/3.0f * (float)g_layer_h;
		printf("  -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
		break;

	fractional_4_3:
	case SCALE_4_3:
		mult = 240.0f / (float)h * 4.0f / 3.0f;
		if (h > 256)
			mult *= 2.0f;
		g_layer_w = mult * (float)g_menuscreen_h;
		g_layer_h = g_menuscreen_h;
		printf("  -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
		break;

	case SCALE_FULLSCREEN:
		g_layer_w = g_menuscreen_w;
		g_layer_h = g_menuscreen_h;
		break;

	default:
		break;
	}

	g_layer_x = g_menuscreen_w / 2 - g_layer_w / 2;
	g_layer_y = g_menuscreen_h / 2 - g_layer_h / 2;
	if (g_layer_x < 0) g_layer_x = 0;
	if (g_layer_y < 0) g_layer_y = 0;
	if (g_layer_w > g_menuscreen_w) g_layer_w = g_menuscreen_w;
	if (g_layer_h > g_menuscreen_h) g_layer_h = g_menuscreen_h;
}

// XXX: this is platform specific really
static int resolution_ok(int w, int h)
{
	return w <= 1024 && h <= 512;
}

static void pl_vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
{
	int vout_w, vout_h, vout_bpp;

	// special h handling, Wipeout likes to change it by 1-6
	static int vsync_cnt_ms_prev;
	if ((unsigned int)(vsync_cnt - vsync_cnt_ms_prev) < 5*60)
		h = (h + 7) & ~7;
	vsync_cnt_ms_prev = vsync_cnt;

	psx_w = raw_w;
	psx_h = raw_h;
	vout_w = w;
	vout_h = h;
	vout_bpp = psx_bpp = bpp;

	pl_vout_scale = 1;
#ifdef __ARM_NEON__
	if (soft_filter) {
		if (resolution_ok(w * 2, h * 2) && bpp == 16) {
			vout_w *= 2;
			vout_h *= 2;
			pl_vout_scale = 2;
		}
		else {
			// filter unavailable
			hud_msg[0] = 0;
		}
	}
#endif

	update_layer_size(vout_w, vout_h);

	pl_vout_buf = plat_gvideo_set_mode(&vout_w, &vout_h, &vout_bpp);
	if (pl_vout_buf == NULL && pl_plat_blit == NULL)
		fprintf(stderr, "failed to set mode %dx%d@%d\n",
			vout_w, vout_h, psx_bpp);
	else {
		pl_vout_w = vout_w;
		pl_vout_h = vout_h;
		pl_vout_bpp = vout_bpp;
	}

	menu_notify_mode_change(pl_vout_w, pl_vout_h, pl_vout_bpp);
}

static void pl_vout_flip(const void *vram, int stride, int bgr24, int w, int h)
{
	static int doffs_old, clear_counter;
	unsigned char *dest = pl_vout_buf;
	const unsigned short *src = vram;
	int dstride = pl_vout_w, h1 = h;
	int doffs;

	pcnt_start(PCNT_BLIT);

	if (vram == NULL) {
		// blanking
		if (pl_plat_clear)
			pl_plat_clear();
		else
			memset(pl_vout_buf, 0,
				dstride * pl_vout_h * pl_vout_bpp / 8);
		goto out_hud;
	}

	// borders
	doffs = (dstride - w * pl_vout_scale) / 2 & ~1;

	if (doffs > doffs_old)
		clear_counter = 2;
	doffs_old = doffs;

	if (clear_counter > 0) {
		if (pl_plat_clear)
			pl_plat_clear();
		else
			memset(pl_vout_buf, 0,
				dstride * pl_vout_h * pl_vout_bpp / 8);
		clear_counter--;
	}

	if (pl_plat_blit)
	{
		pl_plat_blit(doffs, src, w, h, stride, bgr24);
		goto out_hud;
	}

	if (dest == NULL)
		goto out;

	dest += doffs * 2;

	if (bgr24)
	{
		if (pl_rearmed_cbs.only_16bpp) {
			for (; h1-- > 0; dest += dstride * 2, src += stride)
			{
				bgr888_to_rgb565(dest, src, w * 3);
			}
		}
		else {
			dest -= doffs * 2;
			dest += (doffs / 8) * 24;

			for (; h1-- > 0; dest += dstride * 3, src += stride)
			{
				bgr888_to_rgb888(dest, src, w * 3);
			}
		}
	}
#ifdef __ARM_NEON__
	else if (soft_filter == SOFT_FILTER_SCALE2X && pl_vout_scale == 2)
	{
		neon_scale2x_16_16(src, (void *)dest, w,
			stride * 2, dstride * 2, h);
	}
	else if (soft_filter == SOFT_FILTER_EAGLE2X && pl_vout_scale == 2)
	{
		neon_eagle2x_16_16(src, (void *)dest, w,
			stride * 2, dstride * 2, h);
	}
#endif
	else
	{
		for (; h1-- > 0; dest += dstride * 2, src += stride)
		{
			bgr555_to_rgb565(dest, src, w * 2);
		}
	}

out_hud:
	print_hud(w * pl_vout_scale, h * pl_vout_scale, 0);

out:
	pcnt_end(PCNT_BLIT);

	// let's flip now
	pl_vout_buf = plat_gvideo_flip();
	pl_rearmed_cbs.flip_cnt++;
}

static int pl_vout_open(void)
{
	struct timeval now;

	// force mode update on pl_vout_set_mode() call from gpulib/vout_pl
	pl_vout_buf = NULL;

	plat_gvideo_open(is_pal);

	gettimeofday(&now, 0);
	vsync_usec_time = now.tv_usec;
	while (vsync_usec_time >= frame_interval)
		vsync_usec_time -= frame_interval;

	return 0;
}

static void pl_vout_close(void)
{
	plat_gvideo_close();
}

static void pl_set_gpu_caps(int caps)
{
	pl_rearmed_cbs.gpu_caps = caps;
}

void *pl_prepare_screenshot(int *w, int *h, int *bpp)
{
	void *ret = plat_prepare_screenshot(w, h, bpp);
	if (ret != NULL)
		return ret;

	*w = pl_vout_w;
	*h = pl_vout_h;
	*bpp = pl_vout_bpp;

	return pl_vout_buf;
}

/* display/redering mode switcher */
static int dispmode_default(void)
{
	pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
	soft_filter = SOFT_FILTER_NONE;
	snprintf(hud_msg, sizeof(hud_msg), "default mode");
	return 1;
}

int dispmode_doubleres(void)
{
	if (!(pl_rearmed_cbs.gpu_caps & GPU_CAP_SUPPORTS_2X)
	    || !resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
		return 0;

	dispmode_default();
	pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
	snprintf(hud_msg, sizeof(hud_msg), "double resolution");
	return 1;
}

int dispmode_scale2x(void)
{
	if (!resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
		return 0;

	dispmode_default();
	soft_filter = SOFT_FILTER_SCALE2X;
	snprintf(hud_msg, sizeof(hud_msg), "scale2x");
	return 1;
}

int dispmode_eagle2x(void)
{
	if (!resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
		return 0;

	dispmode_default();
	soft_filter = SOFT_FILTER_EAGLE2X;
	snprintf(hud_msg, sizeof(hud_msg), "eagle2x");
	return 1;
}

static int (*dispmode_switchers[])(void) = {
	dispmode_default,
#ifdef __ARM_NEON__
	dispmode_doubleres,
	dispmode_scale2x,
	dispmode_eagle2x,
#endif
};

static int dispmode_current;

void pl_switch_dispmode(void)
{
	if (pl_rearmed_cbs.gpu_caps & GPU_CAP_OWNS_DISPLAY)
		return;

	while (1) {
		dispmode_current++;
		if (dispmode_current >=
		    sizeof(dispmode_switchers) / sizeof(dispmode_switchers[0]))
			dispmode_current = 0;
		if (dispmode_switchers[dispmode_current]())
			break;
	}
}

#ifndef MAEMO
/* adjust circle-like analog inputs to better match
 * more square-like analogs in PSX */
static void update_analog_nub_adjust(int *x_, int *y_)
{
	#define d 16
	static const int scale[] =
		{ 0 - d*2,  0 - d*2,  0 - d*2, 12 - d*2,
		 30 - d*2, 60 - d*2, 75 - d*2, 60 - d*2, 60 - d*2 };
	int x = abs(*x_);
	int y = abs(*y_);
	int scale_x = scale[y / 16];
	int scale_y = scale[x / 16];

	if (x) {
		x += d + (x * scale_x >> 8);
		if (*x_ < 0)
			x = -x;
	}
	if (y) {
		y += d + (y * scale_y >> 8);
		if (*y_ < 0)
			y = -y;
	}

	*x_ = x;
	*y_ = y;
	#undef d
}

static void update_analogs(void)
{
	int *nubp[2] = { in_a1, in_a2 };
	int vals[2];
	int i, a, v, ret;

	for (i = 0; i < 2; i++)
	{
		if (in_adev[i] < 0)
			continue;

		for (a = 0; a < 2; a++) {
			vals[a] = 0;

			ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
			if (ret == 0)
				vals[a] = 128 * v / IN_ABS_RANGE;
		}

		if (in_adev_is_nublike[i])
			update_analog_nub_adjust(&vals[0], &vals[1]);

		for (a = 0; a < 2; a++) {
			v = vals[a] + 127;
			if (v < 0) v = 0;
			else if (v > 255) v = 255;
			nubp[i][a] = v;
		}

	}
	//printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]);
}

static void update_input(void)
{
	int actions[IN_BINDTYPE_COUNT] = { 0, };
	unsigned int emu_act;

	in_update(actions);
	if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
		update_analogs();
	emu_act = actions[IN_BINDTYPE_EMU];
	in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;

	emu_act &= ~SACTION_GUN_MASK;
	if (emu_act) {
		int which = 0;
		for (; !(emu_act & 1); emu_act >>= 1, which++)
			;
		emu_act = which;
	}
	emu_set_action(emu_act);

	in_keystate = actions[IN_BINDTYPE_PLAYER12];
}
#else /* MAEMO */
static void update_input(void)
{
}
#endif

void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
{
	if (tsdev)
		pl_gun_ts_update(tsdev, xn, yn, in);

	*xres = psx_w;
	*yres = psx_h;
}

#define MAX_LAG_FRAMES 3

#define tvdiff(tv, tv_old) \
	((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)

/* called on every vsync */
void pl_frame_limit(void)
{
	static struct timeval tv_old, tv_expect;
	static int vsync_cnt_prev, drc_active_vsyncs;
	struct timeval now;
	int diff, usadj;

	vsync_cnt++;

	/* doing input here because the pad is polled
	 * thousands of times per frame for some reason */
	update_input();

	pcnt_end(PCNT_ALL);
	gettimeofday(&now, 0);

	if (now.tv_sec != tv_old.tv_sec) {
		diff = tvdiff(now, tv_old);
		pl_rearmed_cbs.vsps_cur = 0.0f;
		if (0 < diff && diff < 2000000)
			pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
		vsync_cnt_prev = vsync_cnt;

		if (g_opts & OPT_SHOWFPS)
			pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
		pl_rearmed_cbs.flip_cnt = 0;
		if (g_opts & OPT_SHOWCPU)
			pl_rearmed_cbs.cpu_usage = get_cpu_ticks();

		if (hud_new_msg > 0) {
			hud_new_msg--;
			if (hud_new_msg == 0)
				hud_msg[0] = 0;
		}
		tv_old = now;
	}
#ifdef PCNT
	static int ya_vsync_count;
	if (++ya_vsync_count == PCNT_FRAMES) {
		pcnt_print(pl_rearmed_cbs.vsps_cur);
		ya_vsync_count = 0;
	}
#endif

	// tv_expect uses usec*1024 units instead of usecs for better accuracy
	tv_expect.tv_usec += frame_interval1024;
	if (tv_expect.tv_usec >= (1000000 << 10)) {
		tv_expect.tv_usec -= (1000000 << 10);
		tv_expect.tv_sec++;
	}
	diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;

	if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
		//printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
		tv_expect = now;
		diff = 0;
		// try to align with vsync
		usadj = vsync_usec_time;
		while (usadj < tv_expect.tv_usec - frame_interval)
			usadj += frame_interval;
		tv_expect.tv_usec = usadj << 10;
	}

	if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
		// yay for working usleep on pandora!
		//printf("usleep %d\n", diff - frame_interval / 2);
		usleep(diff - frame_interval);
	}

	if (pl_rearmed_cbs.frameskip) {
		if (diff < -frame_interval)
			pl_rearmed_cbs.fskip_advice = 1;
		else if (diff >= 0)
			pl_rearmed_cbs.fskip_advice = 0;

		// recompilation is not that fast and may cause frame skip on
		// loading screens and such, resulting in flicker or glitches
		if (new_dynarec_did_compile) {
			if (drc_active_vsyncs < 32)
				pl_rearmed_cbs.fskip_advice = 0;
			drc_active_vsyncs++;
		}
		else
			drc_active_vsyncs = 0;
		new_dynarec_did_compile = 0;
	}

	pcnt_start(PCNT_ALL);
}

void pl_timing_prepare(int is_pal_)
{
	pl_rearmed_cbs.fskip_advice = 0;
	pl_rearmed_cbs.flips_per_sec = 0;
	pl_rearmed_cbs.cpu_usage = 0;

	is_pal = is_pal_;
	frame_interval = is_pal ? 20000 : 16667;
	frame_interval1024 = is_pal ? 20000*1024 : 17066667;

	// used by P.E.Op.S. frameskip code
	pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
	pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
		(100000*100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz*100));
}

static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
{
	*x = g_layer_x;
	*y = g_layer_y;
	*w = g_layer_w;
	*h = g_layer_h;
}

static void *pl_mmap(unsigned int size);
static void pl_munmap(void *ptr, unsigned int size);

struct rearmed_cbs pl_rearmed_cbs = {
	pl_get_layer_pos,
	pl_vout_open,
	pl_vout_set_mode,
	pl_vout_flip,
	pl_vout_close,

	.mmap = pl_mmap,
	.munmap = pl_munmap,
	.pl_set_gpu_caps = pl_set_gpu_caps,
};

/* watchdog */
static void *watchdog_thread(void *unused)
{
	int vsync_cnt_old = 0;
	int seen_dead = 0;
	int sleep_time = 5;

#if !defined(NDEBUG) || defined(DRC_DBG)
	// don't interfere with debug
	return NULL;
#endif
	while (1)
	{
		sleep(sleep_time);

		if (stop) {
			seen_dead = 0;
			sleep_time = 5;
			continue;
		}
		if (vsync_cnt != vsync_cnt_old) {
			vsync_cnt_old = vsync_cnt;
			seen_dead = 0;
			sleep_time = 2;
			continue;
		}

		seen_dead++;
		sleep_time = 1;
		if (seen_dead > 1)
			fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
		if (seen_dead > 4) {
			fprintf(stderr, "watchdog: lockup detected, aborting\n");
			// we can't do any cleanup here really, the main thread is
			// likely touching resources and would crash anyway
			abort();
		}
	}
}

void pl_start_watchdog(void)
{
	pthread_attr_t attr;
	pthread_t tid;
	int ret;
	
	pthread_attr_init(&attr);
	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

	ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
	if (ret != 0)
		fprintf(stderr, "could not start watchdog: %d\n", ret);
}

static void *pl_emu_mmap(unsigned long addr, size_t size, int is_fixed,
	enum psxMapTag tag)
{
	return plat_mmap(addr, size, 0, is_fixed);
}

static void pl_emu_munmap(void *ptr, size_t size, enum psxMapTag tag)
{
	plat_munmap(ptr, size);
}

static void *pl_mmap(unsigned int size)
{
	return psxMapHook(0, size, 0, MAP_TAG_VRAM);
}

static void pl_munmap(void *ptr, unsigned int size)
{
	psxUnmapHook(ptr, size, MAP_TAG_VRAM);
}

void pl_init(void)
{
	extern unsigned int hSyncCount; // from psxcounters
	extern unsigned int frame_counter;

	psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
	psx_bpp = pl_vout_bpp = 16;

	tsdev = pl_gun_ts_init();

	pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
	pl_rearmed_cbs.gpu_frame_count = &frame_counter;

	psxMapHook = pl_emu_mmap;
	psxUnmapHook = pl_emu_munmap;
}
Commit	Line	Data
	1	/*
	2	* (C) notaz, 2010-2011
	3	*
	4	* This work is licensed under the terms of the GNU GPLv2 or later.
	5	* See the COPYING file in the top-level directory.
	6	*/
	7
	8	#include <stdio.h>
	9	#include <stdlib.h>
	10	#include <string.h>
	11	#include <stdarg.h>
	12	#include <stdint.h>
	13	#include <sys/time.h>
	14	#include <sys/types.h>
	15	#include <sys/stat.h>
	16	#include <fcntl.h>
	17	#include <unistd.h>
	18	#include <pthread.h>
	19
	20	#include "libpicofe/fonts.h"
	21	#include "libpicofe/input.h"
	22	#include "libpicofe/plat.h"
	23	#include "libpicofe/arm/neon_scale2x.h"
	24	#include "libpicofe/arm/neon_eagle2x.h"
	25	#include "plugin_lib.h"
	26	#include "menu.h"
	27	#include "main.h"
	28	#include "plat.h"
	29	#include "pcnt.h"
	30	#include "pl_gun_ts.h"
	31	#include "psemu_plugin_defs.h"
	32	#include "../libpcsxcore/new_dynarec/new_dynarec.h"
	33	#include "../libpcsxcore/psxmem_map.h"
	34	#include "../plugins/gpulib/cspace.h"
	35	#include "../plugins/dfinput/externals.h"
	36
	37	int in_type1, in_type2;
	38	int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
	39	int in_adev[2] = { -1, -1 }, in_adev_axis[2][2] = {{ 0, 1 }, { 0, 1 }};
	40	int in_adev_is_nublike[2];
	41	int in_keystate, in_state_gun;
	42	int in_enable_vibration;
	43	void *tsdev;
	44	void *pl_vout_buf;
	45	int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
	46	static int pl_vout_w, pl_vout_h, pl_vout_bpp; /* output display/layer */
	47	static int pl_vout_scale;
	48	static int psx_w, psx_h, psx_bpp;
	49	static int vsync_cnt;
	50	static int is_pal, frame_interval, frame_interval1024;
	51	static int vsync_usec_time;
	52
	53	// platform hooks
	54	void (*pl_plat_clear)(void);
	55	void (pl_plat_blit)(int doffs, const void src, int w, int h,
	56	int sstride, int bgr24);
	57	void (pl_plat_hud_print)(int x, int y, const char str, int bpp);
	58
	59
	60	static __attribute__((noinline)) int get_cpu_ticks(void)
	61	{
	62	static unsigned long last_utime;
	63	static int fd;
	64	unsigned long utime, ret;
	65	char buf[128];
	66
	67	if (fd == 0)
	68	fd = open("/proc/self/stat", O_RDONLY);
	69	lseek(fd, 0, SEEK_SET);
	70	buf[0] = 0;
	71	read(fd, buf, sizeof(buf));
	72	buf[sizeof(buf) - 1] = 0;
	73
	74	sscanf(buf, "%d %s %c %d %d %d %d %d %u %u %u %u %*u %lu", &utime);
	75	ret = utime - last_utime;
	76	if (ret > 200)
	77	ret = 0;
	78	last_utime = utime;
	79	return ret;
	80	}
	81
	82	static void hud_print(void fb, int w, int x, int y, const char text)
	83	{
	84	if (pl_plat_hud_print)
	85	pl_plat_hud_print(x, y, text, pl_vout_bpp);
	86	else if (pl_vout_bpp == 16)
	87	basic_text_out16_nf(fb, w, x, y, text);
	88	}
	89
	90	static void hud_printf(void fb, int w, int x, int y, const char texto, ...)
	91	{
	92	va_list args;
	93	char buffer[256];
	94
	95	va_start(args, texto);
	96	vsnprintf(buffer, sizeof(buffer), texto, args);
	97	va_end(args);
	98
	99	hud_print(fb, w, x, y, buffer);
	100	}
	101
	102	static void print_msg(int h, int border)
	103	{
	104	hud_print(pl_vout_buf, pl_vout_w, border + 2, h - 10, hud_msg);
	105	}
	106
	107	static void print_fps(int h, int border)
	108	{
	109	hud_printf(pl_vout_buf, pl_vout_w, border + 2, h - 10,
	110	"%2d %4.1f", pl_rearmed_cbs.flips_per_sec,
	111	pl_rearmed_cbs.vsps_cur);
	112	}
	113
	114	static void print_cpu_usage(int w, int h, int border)
	115	{
	116	hud_printf(pl_vout_buf, pl_vout_w, pl_vout_w - border - 28, h - 10,
	117	"%3d", pl_rearmed_cbs.cpu_usage);
	118	}
	119
	120	// draw 192x8 status of 24 sound channels
	121	static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
	122	{
	123	extern void spu_get_debug_info(int chans_out, int run_chans,
	124	int fmod_chans_out, int noise_chans_out); // hack
	125	int live_chans, run_chans, fmod_chans, noise_chans;
	126
	127	static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
	128	unsigned short dest = (unsigned short )pl_vout_buf +
	129	vout_w * (vout_h - 10) + vout_w / 2 - 192/2;
	130	unsigned short *d, p;
	131	int c, x, y;
	132
	133	if (dest == NULL \|\| pl_vout_bpp != 16)
	134	return;
	135
	136	spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);
	137
	138	for (c = 0; c < 24; c++) {
	139	d = dest + c * 8;
	140	p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
	141	(fmod_chans & (1<<c)) ? 0xf000 :
	142	(noise_chans & (1<<c)) ? 0x001f :
	143	colors[c & 1];
	144	for (y = 0; y < 8; y++, d += vout_w)
	145	for (x = 0; x < 8; x++)
	146	d[x] = p;
	147	}
	148	}
	149
	150	static void print_hud(int w, int h, int xborder)
	151	{
	152	if (h < 16)
	153	return;
	154
	155	if (w < pl_vout_w)
	156	xborder += (pl_vout_w - w) / 2;
	157	if (h > pl_vout_h)
	158	h = pl_vout_h;
	159
	160	if (g_opts & OPT_SHOWSPU)
	161	draw_active_chans(w, h);
	162
	163	if (hud_msg[0] != 0)
	164	print_msg(h, xborder);
	165	else if (g_opts & OPT_SHOWFPS)
	166	print_fps(h, xborder);
	167
	168	if (g_opts & OPT_SHOWCPU)
	169	print_cpu_usage(w, h, xborder);
	170	}
	171
	172	/* update scaler target size according to user settings */
	173	static void update_layer_size(int w, int h)
	174	{
	175	float mult;
	176	int imult;
	177
	178	switch (g_scaler) {
	179	case SCALE_1_1:
	180	g_layer_w = w; g_layer_h = h;
	181	break;
	182
	183	case SCALE_4_3v2:
	184	if (h > g_menuscreen_h \|\| (240 < h && h <= 360))
	185	goto fractional_4_3;
	186
	187	// 4:3 that prefers integer scaling
	188	imult = g_menuscreen_h / h;
	189	g_layer_w = w * imult;
	190	g_layer_h = h * imult;
	191	mult = (float)g_layer_w / (float)g_layer_h;
	192	if (mult < 1.25f \|\| mult > 1.666f)
	193	g_layer_w = 4.0f/3.0f * (float)g_layer_h;
	194	printf(" -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
	195	break;
	196
	197	fractional_4_3:
	198	case SCALE_4_3:
	199	mult = 240.0f / (float)h * 4.0f / 3.0f;
	200	if (h > 256)
	201	mult *= 2.0f;
	202	g_layer_w = mult * (float)g_menuscreen_h;
	203	g_layer_h = g_menuscreen_h;
	204	printf(" -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
	205	break;
	206
	207	case SCALE_FULLSCREEN:
	208	g_layer_w = g_menuscreen_w;
	209	g_layer_h = g_menuscreen_h;
	210	break;
	211
	212	default:
	213	break;
	214	}
	215
	216	g_layer_x = g_menuscreen_w / 2 - g_layer_w / 2;
	217	g_layer_y = g_menuscreen_h / 2 - g_layer_h / 2;
	218	if (g_layer_x < 0) g_layer_x = 0;
	219	if (g_layer_y < 0) g_layer_y = 0;
	220	if (g_layer_w > g_menuscreen_w) g_layer_w = g_menuscreen_w;
	221	if (g_layer_h > g_menuscreen_h) g_layer_h = g_menuscreen_h;
	222	}
	223
	224	// XXX: this is platform specific really
	225	static int resolution_ok(int w, int h)
	226	{
	227	return w <= 1024 && h <= 512;
	228	}
	229
	230	static void pl_vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
	231	{
	232	int vout_w, vout_h, vout_bpp;
	233
	234	// special h handling, Wipeout likes to change it by 1-6
	235	static int vsync_cnt_ms_prev;
	236	if ((unsigned int)(vsync_cnt - vsync_cnt_ms_prev) < 5*60)
	237	h = (h + 7) & ~7;
	238	vsync_cnt_ms_prev = vsync_cnt;
	239
	240	psx_w = raw_w;
	241	psx_h = raw_h;
	242	vout_w = w;
	243	vout_h = h;
	244	vout_bpp = psx_bpp = bpp;
	245
	246	pl_vout_scale = 1;
	247	#ifdef __ARM_NEON__
	248	if (soft_filter) {
	249	if (resolution_ok(w * 2, h * 2) && bpp == 16) {
	250	vout_w *= 2;
	251	vout_h *= 2;
	252	pl_vout_scale = 2;
	253	}
	254	else {
	255	// filter unavailable
	256	hud_msg[0] = 0;
	257	}
	258	}
	259	#endif
	260
	261	update_layer_size(vout_w, vout_h);
	262
	263	pl_vout_buf = plat_gvideo_set_mode(&vout_w, &vout_h, &vout_bpp);
	264	if (pl_vout_buf == NULL && pl_plat_blit == NULL)
	265	fprintf(stderr, "failed to set mode %dx%d@%d\n",
	266	vout_w, vout_h, psx_bpp);
	267	else {
	268	pl_vout_w = vout_w;
	269	pl_vout_h = vout_h;
	270	pl_vout_bpp = vout_bpp;
	271	}
	272
	273	menu_notify_mode_change(pl_vout_w, pl_vout_h, pl_vout_bpp);
	274	}
	275
	276	static void pl_vout_flip(const void *vram, int stride, int bgr24, int w, int h)
	277	{
	278	static int doffs_old, clear_counter;
	279	unsigned char *dest = pl_vout_buf;
	280	const unsigned short *src = vram;
	281	int dstride = pl_vout_w, h1 = h;
	282	int doffs;
	283
	284	pcnt_start(PCNT_BLIT);
	285
	286	if (vram == NULL) {
	287	// blanking
	288	if (pl_plat_clear)
	289	pl_plat_clear();
	290	else
	291	memset(pl_vout_buf, 0,
	292	dstride * pl_vout_h * pl_vout_bpp / 8);
	293	goto out_hud;
	294	}
	295
	296	// borders
	297	doffs = (dstride - w * pl_vout_scale) / 2 & ~1;
	298
	299	if (doffs > doffs_old)
	300	clear_counter = 2;
	301	doffs_old = doffs;
	302
	303	if (clear_counter > 0) {
	304	if (pl_plat_clear)
	305	pl_plat_clear();
	306	else
	307	memset(pl_vout_buf, 0,
	308	dstride * pl_vout_h * pl_vout_bpp / 8);
	309	clear_counter--;
	310	}
	311
	312	if (pl_plat_blit)
	313	{
	314	pl_plat_blit(doffs, src, w, h, stride, bgr24);
	315	goto out_hud;
	316	}
	317
	318	if (dest == NULL)
	319	goto out;
	320
	321	dest += doffs * 2;
	322
	323	if (bgr24)
	324	{
	325	if (pl_rearmed_cbs.only_16bpp) {
	326	for (; h1-- > 0; dest += dstride * 2, src += stride)
	327	{
	328	bgr888_to_rgb565(dest, src, w * 3);
	329	}
	330	}
	331	else {
	332	dest -= doffs * 2;
	333	dest += (doffs / 8) * 24;
	334
	335	for (; h1-- > 0; dest += dstride * 3, src += stride)
	336	{
	337	bgr888_to_rgb888(dest, src, w * 3);
	338	}
	339	}
	340	}
	341	#ifdef __ARM_NEON__
	342	else if (soft_filter == SOFT_FILTER_SCALE2X && pl_vout_scale == 2)
	343	{
	344	neon_scale2x_16_16(src, (void *)dest, w,
	345	stride * 2, dstride * 2, h);
	346	}
	347	else if (soft_filter == SOFT_FILTER_EAGLE2X && pl_vout_scale == 2)
	348	{
	349	neon_eagle2x_16_16(src, (void *)dest, w,
	350	stride * 2, dstride * 2, h);
	351	}
	352	#endif
	353	else
	354	{
	355	for (; h1-- > 0; dest += dstride * 2, src += stride)
	356	{
	357	bgr555_to_rgb565(dest, src, w * 2);
	358	}
	359	}
	360
	361	out_hud:
	362	print_hud(w * pl_vout_scale, h * pl_vout_scale, 0);
	363
	364	out:
	365	pcnt_end(PCNT_BLIT);
	366
	367	// let's flip now
	368	pl_vout_buf = plat_gvideo_flip();
	369	pl_rearmed_cbs.flip_cnt++;
	370	}
	371
	372	static int pl_vout_open(void)
	373	{
	374	struct timeval now;
	375
	376	// force mode update on pl_vout_set_mode() call from gpulib/vout_pl
	377	pl_vout_buf = NULL;
	378
	379	plat_gvideo_open(is_pal);
	380
	381	gettimeofday(&now, 0);
	382	vsync_usec_time = now.tv_usec;
	383	while (vsync_usec_time >= frame_interval)
	384	vsync_usec_time -= frame_interval;
	385
	386	return 0;
	387	}
	388
	389	static void pl_vout_close(void)
	390	{
	391	plat_gvideo_close();
	392	}
	393
	394	static void pl_set_gpu_caps(int caps)
	395	{
	396	pl_rearmed_cbs.gpu_caps = caps;
	397	}
	398
	399	void pl_prepare_screenshot(int w, int h, int bpp)
	400	{
	401	void *ret = plat_prepare_screenshot(w, h, bpp);
	402	if (ret != NULL)
	403	return ret;
	404
	405	*w = pl_vout_w;
	406	*h = pl_vout_h;
	407	*bpp = pl_vout_bpp;
	408
	409	return pl_vout_buf;
	410	}
	411
	412	/* display/redering mode switcher */
	413	static int dispmode_default(void)
	414	{
	415	pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
	416	soft_filter = SOFT_FILTER_NONE;
	417	snprintf(hud_msg, sizeof(hud_msg), "default mode");
	418	return 1;
	419	}
	420
	421	int dispmode_doubleres(void)
	422	{
	423	if (!(pl_rearmed_cbs.gpu_caps & GPU_CAP_SUPPORTS_2X)
	424	\|\| !resolution_ok(psx_w * 2, psx_h * 2) \|\| psx_bpp != 16)
	425	return 0;
	426
	427	dispmode_default();
	428	pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
	429	snprintf(hud_msg, sizeof(hud_msg), "double resolution");
	430	return 1;
	431	}
	432
	433	int dispmode_scale2x(void)
	434	{
	435	if (!resolution_ok(psx_w * 2, psx_h * 2) \|\| psx_bpp != 16)
	436	return 0;
	437
	438	dispmode_default();
	439	soft_filter = SOFT_FILTER_SCALE2X;
	440	snprintf(hud_msg, sizeof(hud_msg), "scale2x");
	441	return 1;
	442	}
	443
	444	int dispmode_eagle2x(void)
	445	{
	446	if (!resolution_ok(psx_w * 2, psx_h * 2) \|\| psx_bpp != 16)
	447	return 0;
	448
	449	dispmode_default();
	450	soft_filter = SOFT_FILTER_EAGLE2X;
	451	snprintf(hud_msg, sizeof(hud_msg), "eagle2x");
	452	return 1;
	453	}
	454
	455	static int (*dispmode_switchers[])(void) = {
	456	dispmode_default,
	457	#ifdef __ARM_NEON__
	458	dispmode_doubleres,
	459	dispmode_scale2x,
	460	dispmode_eagle2x,
	461	#endif
	462	};
	463
	464	static int dispmode_current;
	465
	466	void pl_switch_dispmode(void)
	467	{
	468	if (pl_rearmed_cbs.gpu_caps & GPU_CAP_OWNS_DISPLAY)
	469	return;
	470
	471	while (1) {
	472	dispmode_current++;
	473	if (dispmode_current >=
	474	sizeof(dispmode_switchers) / sizeof(dispmode_switchers[0]))
	475	dispmode_current = 0;
	476	if (dispmode_switchers[dispmode_current]())
	477	break;
	478	}
	479	}
	480
	481	#ifndef MAEMO
	482	/* adjust circle-like analog inputs to better match
	483	* more square-like analogs in PSX */
	484	static void update_analog_nub_adjust(int x_, int y_)
	485	{
	486	#define d 16
	487	static const int scale[] =
	488	{ 0 - d2, 0 - d2, 0 - d2, 12 - d2,
	489	30 - d2, 60 - d2, 75 - d2, 60 - d2, 60 - d*2 };
	490	int x = abs(*x_);
	491	int y = abs(*y_);
	492	int scale_x = scale[y / 16];
	493	int scale_y = scale[x / 16];
	494
	495	if (x) {
	496	x += d + (x * scale_x >> 8);
	497	if (*x_ < 0)
	498	x = -x;
	499	}
	500	if (y) {
	501	y += d + (y * scale_y >> 8);
	502	if (*y_ < 0)
	503	y = -y;
	504	}
	505
	506	*x_ = x;
	507	*y_ = y;
	508	#undef d
	509	}
	510
	511	static void update_analogs(void)
	512	{
	513	int *nubp[2] = { in_a1, in_a2 };
	514	int vals[2];
	515	int i, a, v, ret;
	516
	517	for (i = 0; i < 2; i++)
	518	{
	519	if (in_adev[i] < 0)
	520	continue;
	521
	522	for (a = 0; a < 2; a++) {
	523	vals[a] = 0;
	524
	525	ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
	526	if (ret == 0)
	527	vals[a] = 128 * v / IN_ABS_RANGE;
	528	}
	529
	530	if (in_adev_is_nublike[i])
	531	update_analog_nub_adjust(&vals[0], &vals[1]);
	532
	533	for (a = 0; a < 2; a++) {
	534	v = vals[a] + 127;
	535	if (v < 0) v = 0;
	536	else if (v > 255) v = 255;
	537	nubp[i][a] = v;
	538	}
	539
	540	}
	541	//printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]);
	542	}
	543
	544	static void update_input(void)
	545	{
	546	int actions[IN_BINDTYPE_COUNT] = { 0, };
	547	unsigned int emu_act;
	548
	549	in_update(actions);
	550	if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
	551	update_analogs();
	552	emu_act = actions[IN_BINDTYPE_EMU];
	553	in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
	554
	555	emu_act &= ~SACTION_GUN_MASK;
	556	if (emu_act) {
	557	int which = 0;
	558	for (; !(emu_act & 1); emu_act >>= 1, which++)
	559	;
	560	emu_act = which;
	561	}
	562	emu_set_action(emu_act);
	563
	564	in_keystate = actions[IN_BINDTYPE_PLAYER12];
	565	}
	566	#else /* MAEMO */
	567	static void update_input(void)
	568	{
	569	}
	570	#endif
	571
	572	void pl_update_gun(int xn, int yn, int xres, int yres, int *in)
	573	{
	574	if (tsdev)
	575	pl_gun_ts_update(tsdev, xn, yn, in);
	576
	577	*xres = psx_w;
	578	*yres = psx_h;
	579	}
	580
	581	#define MAX_LAG_FRAMES 3
	582
	583	#define tvdiff(tv, tv_old) \
	584	((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
	585
	586	/* called on every vsync */
	587	void pl_frame_limit(void)
	588	{
	589	static struct timeval tv_old, tv_expect;
	590	static int vsync_cnt_prev, drc_active_vsyncs;
	591	struct timeval now;
	592	int diff, usadj;
	593
	594	vsync_cnt++;
	595
	596	/* doing input here because the pad is polled
	597	* thousands of times per frame for some reason */
	598	update_input();
	599
	600	pcnt_end(PCNT_ALL);
	601	gettimeofday(&now, 0);
	602
	603	if (now.tv_sec != tv_old.tv_sec) {
	604	diff = tvdiff(now, tv_old);
	605	pl_rearmed_cbs.vsps_cur = 0.0f;
	606	if (0 < diff && diff < 2000000)
	607	pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
	608	vsync_cnt_prev = vsync_cnt;
	609
	610	if (g_opts & OPT_SHOWFPS)
	611	pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
	612	pl_rearmed_cbs.flip_cnt = 0;
	613	if (g_opts & OPT_SHOWCPU)
	614	pl_rearmed_cbs.cpu_usage = get_cpu_ticks();
	615
	616	if (hud_new_msg > 0) {
	617	hud_new_msg--;
	618	if (hud_new_msg == 0)
	619	hud_msg[0] = 0;
	620	}
	621	tv_old = now;
	622	}
	623	#ifdef PCNT
	624	static int ya_vsync_count;
	625	if (++ya_vsync_count == PCNT_FRAMES) {
	626	pcnt_print(pl_rearmed_cbs.vsps_cur);
	627	ya_vsync_count = 0;
	628	}
	629	#endif
	630
	631	// tv_expect uses usec*1024 units instead of usecs for better accuracy
	632	tv_expect.tv_usec += frame_interval1024;
	633	if (tv_expect.tv_usec >= (1000000 << 10)) {
	634	tv_expect.tv_usec -= (1000000 << 10);
	635	tv_expect.tv_sec++;
	636	}
	637	diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
	638
	639	if (diff > MAX_LAG_FRAMES * frame_interval \|\| diff < -MAX_LAG_FRAMES * frame_interval) {
	640	//printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
	641	tv_expect = now;
	642	diff = 0;
	643	// try to align with vsync
	644	usadj = vsync_usec_time;
	645	while (usadj < tv_expect.tv_usec - frame_interval)
	646	usadj += frame_interval;
	647	tv_expect.tv_usec = usadj << 10;
	648	}
	649
	650	if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
	651	// yay for working usleep on pandora!
	652	//printf("usleep %d\n", diff - frame_interval / 2);
	653	usleep(diff - frame_interval);
	654	}
	655
	656	if (pl_rearmed_cbs.frameskip) {
	657	if (diff < -frame_interval)
	658	pl_rearmed_cbs.fskip_advice = 1;
	659	else if (diff >= 0)
	660	pl_rearmed_cbs.fskip_advice = 0;
	661
	662	// recompilation is not that fast and may cause frame skip on
	663	// loading screens and such, resulting in flicker or glitches
	664	if (new_dynarec_did_compile) {
	665	if (drc_active_vsyncs < 32)
	666	pl_rearmed_cbs.fskip_advice = 0;
	667	drc_active_vsyncs++;
	668	}
	669	else
	670	drc_active_vsyncs = 0;
	671	new_dynarec_did_compile = 0;
	672	}
	673
	674	pcnt_start(PCNT_ALL);
	675	}
	676
	677	void pl_timing_prepare(int is_pal_)
	678	{
	679	pl_rearmed_cbs.fskip_advice = 0;
	680	pl_rearmed_cbs.flips_per_sec = 0;
	681	pl_rearmed_cbs.cpu_usage = 0;
	682
	683	is_pal = is_pal_;
	684	frame_interval = is_pal ? 20000 : 16667;
	685	frame_interval1024 = is_pal ? 20000*1024 : 17066667;
	686
	687	// used by P.E.Op.S. frameskip code
	688	pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
	689	pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
	690	(100000100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz100));
	691	}
	692
	693	static void pl_get_layer_pos(int x, int y, int w, int h)
	694	{
	695	*x = g_layer_x;
	696	*y = g_layer_y;
	697	*w = g_layer_w;
	698	*h = g_layer_h;
	699	}
	700
	701	static void *pl_mmap(unsigned int size);
	702	static void pl_munmap(void *ptr, unsigned int size);
	703
	704	struct rearmed_cbs pl_rearmed_cbs = {
	705	pl_get_layer_pos,
	706	pl_vout_open,
	707	pl_vout_set_mode,
	708	pl_vout_flip,
	709	pl_vout_close,
	710
	711	.mmap = pl_mmap,
	712	.munmap = pl_munmap,
	713	.pl_set_gpu_caps = pl_set_gpu_caps,
	714	};
	715
	716	/* watchdog */
	717	static void watchdog_thread(void unused)
	718	{
	719	int vsync_cnt_old = 0;
	720	int seen_dead = 0;
	721	int sleep_time = 5;
	722
	723	#if !defined(NDEBUG) \|\| defined(DRC_DBG)
	724	// don't interfere with debug
	725	return NULL;
	726	#endif
	727	while (1)
	728	{
	729	sleep(sleep_time);
	730
	731	if (stop) {
	732	seen_dead = 0;
	733	sleep_time = 5;
	734	continue;
	735	}
	736	if (vsync_cnt != vsync_cnt_old) {
	737	vsync_cnt_old = vsync_cnt;
	738	seen_dead = 0;
	739	sleep_time = 2;
	740	continue;
	741	}
	742
	743	seen_dead++;
	744	sleep_time = 1;
	745	if (seen_dead > 1)
	746	fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
	747	if (seen_dead > 4) {
	748	fprintf(stderr, "watchdog: lockup detected, aborting\n");
	749	// we can't do any cleanup here really, the main thread is
	750	// likely touching resources and would crash anyway
	751	abort();
	752	}
	753	}
	754	}
	755
	756	void pl_start_watchdog(void)
	757	{
	758	pthread_attr_t attr;
	759	pthread_t tid;
	760	int ret;
	761
	762	pthread_attr_init(&attr);
	763	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
	764
	765	ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
	766	if (ret != 0)
	767	fprintf(stderr, "could not start watchdog: %d\n", ret);
	768	}
	769
	770	static void *pl_emu_mmap(unsigned long addr, size_t size, int is_fixed,
	771	enum psxMapTag tag)
	772	{
	773	return plat_mmap(addr, size, 0, is_fixed);
	774	}
	775
	776	static void pl_emu_munmap(void *ptr, size_t size, enum psxMapTag tag)
	777	{
	778	plat_munmap(ptr, size);
	779	}
	780
	781	static void *pl_mmap(unsigned int size)
	782	{
	783	return psxMapHook(0, size, 0, MAP_TAG_VRAM);
	784	}
	785
	786	static void pl_munmap(void *ptr, unsigned int size)
	787	{
	788	psxUnmapHook(ptr, size, MAP_TAG_VRAM);
	789	}
	790
	791	void pl_init(void)
	792	{
	793	extern unsigned int hSyncCount; // from psxcounters
	794	extern unsigned int frame_counter;
	795
	796	psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
	797	psx_bpp = pl_vout_bpp = 16;
	798
	799	tsdev = pl_gun_ts_init();
	800
	801	pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
	802	pl_rearmed_cbs.gpu_frame_count = &frame_counter;
	803
	804	psxMapHook = pl_emu_mmap;
	805	psxUnmapHook = pl_emu_munmap;
	806	}